81794820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80191}}^1$

素因数の和:80220

約数の個数: 48

約数和(自身を含む): 242500608

約数和(自身を除く): 160705788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 80191, 160382, 240573, 320764, 400955, 481146, 801910, 962292, 1202865, 1363247, 1603820, 2405730, 2726494, 4089741, 4811460, 5452988, 6816235, 8179482, 13632470, 16358964, 20448705, 27264940, 40897410, 81794820]

約数ペア:

[(1, 81794820), (2, 40897410), (3, 27264940), (4, 20448705), (5, 16358964), (6, 13632470), (10, 8179482), (12, 6816235), (15, 5452988), (17, 4811460), (20, 4089741), (30, 2726494), (34, 2405730), (51, 1603820), (60, 1363247), (68, 1202865), (85, 962292), (102, 801910), (170, 481146), (204, 400955), (255, 320764), (340, 240573), (510, 160382), (1020, 80191)]